Alternate costumes
Highlight a boxer at the character selection screen,
then press [Square].

Hints

Extra hits
During a fight, after you have taken all of your opponent's
life and they are falling down, you can punch them four more times
before they actually fall. Doing this does affect the outcome
of the fight. When they get up they will have less life than if
you did not hit them.

Easy K.O.
Get your rumble meter to silver, then use it. Once
you have the gloves, press [Square] + [Triangle]. Your
player will do something, hit your opponent, and send them spinning
out of the ring. They will hit the ground and turn into dust.
The message ''Winner by K.O.'' will appear at the bottom of the
screen.

Glitch: Get rumble letters back instantly
When you activate rumble mode after getting all three
rows of letters, wait awhile and activate the rumble combo as
the glow wares off. When you do so, the knockout punch will give
you three rows of letters back instantly.